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參數資料
| 型號： | TPS61072DDC |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH |
| 中文描述： | 90％高效同步升壓轉換器和600毫安開關 |
| 文件頁數： | 1/21頁 |
| 文件大小： | 400K |
| 代理商： | TPS61072DDC |
www.ti.com
FEATURES
90% Efficient Synchronous Boost Converter
–
75-mA Output Current at 3.3 V From 0.9-V
Input
–
150-mA Output Current at 3.3 V From 1.8-V
Input
Device Quiescent Current: 19 μA (Typ)
Input Voltage Range: 0.9 V to 5.5 V
Adjustable Output Voltage Up to 5.5 V
Power-Save Mode Version Available for
Improved Efficiency at Low Output Power
Load Disconnect During Shutdown
Overtemperature Protection
Small 6-Pin Thin SOT23 Package
DESCRIPTION
The TPS6107x devices provide a power supply
solution for products powered by either a one-cell,
two-cell, or three-cell alkaline, NiCd or NiMH, or
one-cell Li-ion or Li-polymer battery. Output currents
can go as high as 75 mA while using a single-cell
alkaline, and discharge it down to 0.9 V. It can also
be used for generating 5 V at 200 mA from a 3.3 V
rail or a Li-ion battery. The boost converter is based
on a fixed frequency, pulse-width-modulation (PWM)
controller using a synchronous rectifier to obtain
maximum
efficiency.
At
TPS61070 and TPS61073
(1)
enter the power-save
mode to maintain a high efficiency over a wide load
current range. The power-save mode is disabled in
the TPS61071 and TPS61072, forcing the converters
to operate at a fixed switching frequency. The
maximum peak current in the boost switch is typically
limited to a value of 600 mA.
APPLICATIONS
All One-Cell, Two-Cell, and Three-Cell
Alkaline, NiCd or NiMH or Single-Cell Li
Battery-Powered Products
Portable Audio Players
PDAs
Cellular Phones
Personal Medical Products
White LED Lighting
SW
C1
10 μF
L1
4.7 μH
VBAT
VOUT
FB
C2
10 μF
EN
GND
TPS61070
V
O
3.3 V Up To
100 mA
R1
R2
0.9-V To V
O
TPS61070, TPS61071
TPS61072, TPS61073
SLVS510A–JULY 2006–REVISED JANUARY 2007
90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH
low
load
currents
the
The TPS6107x output voltage is programmed by an
external resistor divider. The converter can be
disabled to minimize battery drain. During shutdown,
the load is completely disconnected from the battery.
The device is packaged in a 6-pin thin SOT23
package (DDC).
(1)
TPS61073 is in Product Preview status.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
UNLESS
PRODUCTIOTHERWISE
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
NOTED
this
document
contains
Copyright 2006–2007, Texas Instruments Incorporated
相關PDF資料 |
PDF描述 |
|---|---|
| TPS61073DDC | 90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH |
| TPS6107X | 90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH |
| TPS61106EVM-216 | For Dual Output, Single-Cell Boost Converter(用于雙輸出，單電池升壓轉換器) |
| TPS61100EVM-216 | For Dual Output, Single-Cell Boost Converter(用于雙輸出，單電池升壓轉換器) |
| TPS61103EVM-216 | For Dual Output, Single-Cell Boost Converter(用于雙輸出，單電池升壓轉換器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS61072DDCR | 功能描述:直流/直流開關調節器 PFM/PWM Boost Conveter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS61072DDCRG4 | 功能描述:直流/直流開關調節器 Adj 600mA Sw 90% Eff PFM/PWM Boost RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS61073 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH |
| TPS61073DDC | 制造商:TI 制造商全稱:Texas Instruments 功能描述:90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH |
| TPS61073DDCR | 功能描述:直流/直流開關調節器 Adj 600mA Sw 90% Eff PFM/PWM RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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